There are various genetic types, but red hair is most commonly caused by two copies of a recessive allele on chromosome 16. This produces a particular protein responsible for the pigment pheomelanin, which causes red hair.
zelenetskacomцитирапреди 2 години
With light, the primary colours are green, blue and red.
zelenetskacomцитирапреди 2 години
In the paintbox the primary colours are red, blue and yellow
b6860591136цитирапреди 2 години
most remarkable scientist of them all
Mari Dombroцитирапреди 2 години
In the Hebrew tradition, the first man was moulded from red earth, i.e. earthenware clay. The root of the Hebrew word for Adam actually means ‘red’ and it is also related to the word ‘dam’, which means ‘blood’, so A-dam means ‘of blood’.